factorise : 256 x5 - 81x
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256x^5-81x
x(256x^4-81)
x((16x)²-(9)²)
x(a²-b²)=x(a+b)(a-b)
=x(16x+9)(16x-9)
hense x=0, 9/16 US A FACTOR OF THIS EQUATION
x(256x^4-81)
x((16x)²-(9)²)
x(a²-b²)=x(a+b)(a-b)
=x(16x+9)(16x-9)
hense x=0, 9/16 US A FACTOR OF THIS EQUATION
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